ROGER FEDERER is well known for delivering devastating blows to his opponents with his famous SABR shot at Grand Slams - but pulling it out at a charity match was one step too far for his opponent Jack Sock.

Roger Federer’s SABR shot - which stands for Sneak Attack By Roger - involves the veteran advancing on his opponent’s second serve to hit a half-volley right on the edge of the service box before rushing the net.

And the Swiss star decided to pull off the tactic in his Match for Africa last night.

In the second set, and on Sock’s second serve, Federer ran to the net before awkwardly returning the shot back onto his opponent’s side.

The American had time to pick out his returning shot to Federer’s right - seemingly thinking he’d won the point - only for the world No 1 to pull off an exquisite reply across court.

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Sock couldn’t believe the cheek of Federer to pull off such a shot and proceeded to leap over the net and chase the 20-time Grand Slam champion across the court as the crowd jumped to their feet in celebration.

The 36-year-old’s charity, the Roger Federer Foundation, put on the event to help raise awareness of and fight child poverty in Africa.

Speaking before the match, Federer told the crowd: “I got to play well. Jack always plays his best tennis in the US.

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Jack Sock chases Roger Federer over the net after losing the point

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